Home / 80,627.46-120,899.72-36,216.10

Finding the Fourth Proportional to 80,627.46, 120,899.72 and 36,216.10

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Solution

The fourth proportional to 80,627.46, 120,899.72 and 36,216.10 is: 54,305.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,627.46 : 120,899.72 = 36,216.10 : x
  2. Step 2: Convert to fraction form
    80,627.46/120,899.72 = 36,216.10/x
  3. Step 3: Cross multiply
    80,627.46x = 120,899.72 × 36,216.10
  4. Step 4: Simplify right side
    80,627.46x = 4,378,516,349.49
  5. Step 5: Solve for x
    x = 4,378,516,349.49/80,627.46
  6. Step 6: Final answer
    x = 54,305.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.